Eagle Vision

Eagle Vision is a special skill that Assassins possess. It allows them to filter out what is not important to help lock on to a specific target. To turn Eagle Vision on and off, click in the left stick. The blue icons are allies, the reds are enemies, and the gold icons are targets usually key enemies to track down. Everything in white is to be ignored. In Assassin's Creed 3 when you are trying to finish the Encyclopedia of the Common Man you'll see yellow when they are preforming specific actions at that point lock in on them to get closer to finish the Encyclopedia.

In Assassin's Creed II it is revealed in one of "The Truth" puzzles Files that Eagle Vision comes from an extra Chromosome that only the Assassin's possess in their DNA,and it is passed on from one generation of Assassin to the next.

Using Eagle Vision at the end of Assassins Creed I you can see writings on the walls said to be written in blood by the Subject 16